ADARx Pharmaceuticals Announces the Closing of Full Exercise of Underwriters’ Option to Purchase Additional Shares Granted in Its Initial Public Offering

SAN DIEGO, Oct. 01, 2026 (GLOBE NEWSWIRE) -- ADARx Pharmaceuticals, Inc. (ADARx) (Nasdaq: ADRX), a late-stage clinical biotechnology company developing next-generation siRNA therapeutics, announced today that, in connection with its upsized initial public offering of its common stock, the underwriters have fully exercised their option to purchase an additional 3,937,500 shares of ADARx’s common stock at a price to the public of $17.00 per share. The issuance of the additional shares closed on October 1, 2026, bringing the total number of shares sold in the initial public offering to 30,187,500 shares and the aggregate gross proceeds to ADARx from the offering, before deducting underwriting discounts and commissions and offering expenses payable by ADARx, to approximately $513.2 million.

J.P. Morgan, Morgan Stanley, TD Cowen and UBS Investment Bank acted as lead book-running managers for the offering. LifeSci Capital acted as a book-running manager for the offering.